pgsql-server/ oc/src/sgml/func.sgml rc/backend ...

CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)postgresql(dot)org 03/02/15 21:30:39

Modified files:
doc/src/sgml : func.sgml
src/backend/catalog: dependency.c
src/backend/executor: execQual.c
src/backend/nodes: copyfuncs.c equalfuncs.c outfuncs.c
readfuncs.c
src/backend/optimizer/path: costsize.c
src/backend/optimizer/plan: setrefs.c
src/backend/optimizer/util: clauses.c
src/backend/parser: gram.y parse_clause.c parse_expr.c
parse_target.c
src/backend/utils/adt: ruleutils.c
src/include/catalog: catversion.h
src/include/nodes: execnodes.h nodes.h parsenodes.h primnodes.h
src/pl/plpgsql/src: pl_exec.c
src/test/regress/expected: case.out

Log message:
COALESCE() and NULLIF() are now first-class expressions, not macros
that turn into CASE expressions. They evaluate their arguments at most
once. Patch by Kris Jurka, review and (very light) editorializing by me.